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What's better at freeing memory with PHP: unset() or $var = null
...age collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever = null; then you are rewriting variable's data. You might get memory freed / shrunk f...
Delete everything in a MongoDB database
I'm doing development on MongoDB. For totally non-evil purposes, I sometimes want to blow away everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points...
How do I 'git diff' on a certain directory?
...--dir-diff --tool=bc3 --no-prompt" instead
– Mark Schäfer
Nov 1 '18 at 8:22
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Differences between distribute, distutils, setuptools and distutils2?
I’m trying to port an open-source library to Python 3. ( SymPy , if anyone is wondering.)
5 Answers
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Edit line thickness of CSS 'underline' attribute
...s the gap between text and line less huge.
– Victor Häggqvist
Jul 14 '15 at 1:36
I get half pixel vertical lines in a...
Why is a boolean 1 byte and not 1 bit of size?
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Because the CPU can't address anything smaller than a byte.
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open() in Python does not create a file if it doesn't exist
...le doesn't exist, append mode creates it.
– Jean-François Fabre♦
Oct 22 '19 at 11:49
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PHP PDO returning single row
... answered Feb 13 '15 at 11:14
Bé Khỏe Bé ProBé Khỏe Bé Pro
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How to Detect if I'm Compiling Code with a particular Visual Studio version?
... you just need to check == 1500 in that case
– José
Nov 26 '13 at 20:46
@José, true we could simplify it to just ...
How can I specify the base for Math.log() in JavaScript?
...swered Jan 23 '14 at 10:44
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